Curvature perturbations from broken symmetries
Curvature perturbations from broken symmetries
复制标题
对称性破缺引起的曲率扰动
DOI:
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
A. Vallinotto
中科院分区:
文献类型:
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作者:
E. Kolb;A. Riotto;A. Vallinotto
We present a new general mechanism to generate curvature perturbations after the end of the slow-roll phase of inflation. Our model is based on the simple assumption that the potential driving inflation is characterized by an underlying global symmetry which is slightly broken.